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Colloidal-gold Strips Detecting Instrument Based on ARM-embedded System
Author(s): YANG Wen-tao, ZHENG Li-xin, LI Shu-qian
Pages: 13-
16,20
Year: 2013
Issue:
3
Journal: Automation & Instrumentation
Keyword: ARM嵌入式系统; USB摄像头; GPRS网络; 胶体金试纸;
Abstract: 该文介绍了一种基于ARM嵌入式系统的智能快速检测仪器,用于胶体金试纸快速检测应用,仪器集成了A]RMl主板、USB摄像头、GPRS无线模块、打印机等硬件模块.首先使用USB摄像头采集试纸图像,采用专用图像处理算法准确识别出检测线位置和灰度值,通过试纸的灰度一浓度特征曲线实现定性和定量检测,最后将检测结果数据通过GPRS无线网络实时传送到数据中心服务器.仪器具有较高的准确性,定性检测准确率大于99%,定量检测准确率大于90%,极大地扩展了胶体金检测应用范围.
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